XtraBond®9550 is a high performance, permanently flexible, easy-to-use advanced polymer sealant. The product cures rapidly when exposed to atmospheric moisture to form a durable bond and can be applied in a wide range of temperature and weather conditions (-40°F to 140°F.) It is ideal for high performance applications that require accommodation for joint movement, such as fiber cement.

XtraBond®9550 provides aggressive adhesion to common building substrates. The product has no solvents and very low levels of volatile organic compounds (VOCs) so it is easy on the environment.

  • Wide Application Temperature Range (-40°F to 140°F)
  • Excellent for Use with Fiber Cement
  • Permanently Flexible
  • Paintable in 2 Hours
  • Superior Adhesion